[Commonizer] Limited annotation commonization (@Deprecated for functions)

^KMM-238
^KMM-53

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/builder/CommonizedAnnotationDescriptor.kt

@@ -10,22 +10,16 @@ import org.jetbrains.kotlin.descriptors.ClassKind.ANNOTATION_CLASS
 import org.jetbrains.kotlin.descriptors.SourceElement
 import org.jetbrains.kotlin.descriptors.annotations.AnnotationDescriptor
 import org.jetbrains.kotlin.descriptors.commonizer.mergedtree.ir.CirAnnotation
+import org.jetbrains.kotlin.descriptors.commonizer.utils.concat
 import org.jetbrains.kotlin.name.FqName
-import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.constants.AnnotationValue
-import org.jetbrains.kotlin.resolve.constants.ConstantValue
 import org.jetbrains.kotlin.storage.getValue
 
 class CommonizedAnnotationDescriptor(
-    private val targetComponents: TargetDeclarationsBuilderComponents,
-    override val fqName: FqName,
-    rawValueArguments: Map<Name, ConstantValue<*>>
+    targetComponents: TargetDeclarationsBuilderComponents,
+    cirAnnotation: CirAnnotation
 ) : AnnotationDescriptor {
-    constructor(targetComponents: TargetDeclarationsBuilderComponents, cirAnnotation: CirAnnotation) : this(
-        targetComponents,
-        cirAnnotation.fqName,
-        cirAnnotation.allValueArguments
-    )
+    override val fqName: FqName = cirAnnotation.fqName
 
     override val type by targetComponents.storageManager.createLazyValue {
         val annotationClass = findClassOrTypeAlias(targetComponents, fqName)
@@ -36,17 +30,10 @@ class CommonizedAnnotationDescriptor(
     }
 
     override val allValueArguments by targetComponents.storageManager.createLazyValue {
-        rawValueArguments.mapValues { (_, value) -> substituteValueArgument(value) }
+        cirAnnotation.constantValueArguments concat cirAnnotation.annotationValueArguments.mapValues { (_, nestedCirAnnotation) ->
+            AnnotationValue(CommonizedAnnotationDescriptor(targetComponents, nestedCirAnnotation))
+        }
     }
 
     override val source: SourceElement get() = SourceElement.NO_SOURCE
-
-    private fun substituteValueArgument(value: ConstantValue<*>) =
-        (value as? AnnotationValue)?.value?.let { nestedAnnotationDescriptor ->
-            // re-build annotation descriptors
-            val fqName = nestedAnnotationDescriptor.fqName
-                ?: error("Annotation with no FQ name: ${nestedAnnotationDescriptor::class.java}, $nestedAnnotationDescriptor")
-
-            AnnotationValue(CommonizedAnnotationDescriptor(targetComponents, fqName, nestedAnnotationDescriptor.allValueArguments))
-        } ?: value // keep other values as they are platform agnostic
 }

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/builder/builderUtils.kt

@@ -120,11 +120,8 @@ internal fun CirSimpleType.buildType(
         }
     }
 
-    // TODO: commonize annotations, KT-34234
-    val typeAnnotations = if (!targetComponents.isCommon) annotations.buildDescriptors(targetComponents) else Annotations.EMPTY
-
     val simpleType = simpleType(
-        annotations = typeAnnotations,
+        annotations = annotations.buildDescriptors(targetComponents),
         constructor = classifier.typeConstructor,
         arguments = arguments.map { it.buildArgument(targetComponents, typeParameterResolver) },
         nullable = isMarkedNullable,

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/core/AbstractFunctionOrPropertyCommonizer.kt

@@ -13,7 +13,9 @@ import org.jetbrains.kotlin.descriptors.commonizer.mergedtree.ir.CirFunctionOrPr
 import org.jetbrains.kotlin.descriptors.commonizer.mergedtree.ir.isNonAbstractMemberInInterface
 import org.jetbrains.kotlin.name.Name
 
-abstract class AbstractFunctionOrPropertyCommonizer<T : CirFunctionOrProperty>(cache: CirClassifiersCache) : AbstractStandardCommonizer<T, T>() {
+abstract class AbstractFunctionOrPropertyCommonizer<T : CirFunctionOrProperty>(
+    cache: CirClassifiersCache
+) : AbstractStandardCommonizer<T, T>() {
     protected lateinit var name: Name
     protected val modality = ModalityCommonizer.default()
     protected val visibility = VisibilityCommonizer.lowering()

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/core/AbstractNullableCommonizer.kt

@@ -34,7 +34,7 @@ abstract class AbstractNullableCommonizer<T : Any, R : Any, WT, WR>(
 
     final override fun commonizeWith(next: T?): Boolean {
         state = when (state) {
-            State.ERROR -> State.ERROR
+            State.ERROR -> return false
             State.EMPTY -> next?.let {
                 wrapped = wrappedCommonizerFactory()
                 doCommonizeWith(next)

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/core/AnnotationsCommonizer.kt

@@ -0,0 +1,209 @@
+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.descriptors.commonizer.core
+
+import org.jetbrains.kotlin.descriptors.commonizer.mergedtree.ir.CirAnnotation
+import org.jetbrains.kotlin.descriptors.commonizer.utils.DEPRECATED_ANNOTATION_FQN
+import org.jetbrains.kotlin.name.ClassId
+import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.resolve.constants.ArrayValue
+import org.jetbrains.kotlin.resolve.constants.ConstantValue
+import org.jetbrains.kotlin.resolve.constants.EnumValue
+import org.jetbrains.kotlin.resolve.constants.StringValue
+
+/**
+ * This is limited implementation of annotations commonizer. It helps to commonize only [kotlin.Deprecated] annotations.
+ */
+class AnnotationsCommonizer : AbstractStandardCommonizer<List<CirAnnotation>, List<CirAnnotation>>() {
+    private var deprecatedAnnotationCommonizer: DeprecatedAnnotationCommonizer? = null
+
+    override fun commonizationResult(): List<CirAnnotation> {
+        val deprecatedAnnotation = deprecatedAnnotationCommonizer?.result ?: return emptyList()
+        return listOf(deprecatedAnnotation)
+    }
+
+    override fun initialize(first: List<CirAnnotation>) = Unit
+
+    override fun doCommonizeWith(next: List<CirAnnotation>): Boolean {
+        val nextDeprecatedAnnotation = next.firstOrNull { it.fqName == DEPRECATED_ANNOTATION_FQN } ?: return true
+        val deprecatedAnnotationCommonizer = deprecatedAnnotationCommonizer ?: DeprecatedAnnotationCommonizer()
+        return deprecatedAnnotationCommonizer.commonizeWith(nextDeprecatedAnnotation)
+    }
+}
+
+private class DeprecatedAnnotationCommonizer : Commonizer<CirAnnotation, CirAnnotation> {
+    private var level: DeprecationLevel? = null // null level means that state is empty
+    private var message: String? = null // null -> message is not equal
+    private var replaceWithExpression: String? = null // null -> replaceWith is not equal
+    private var replaceWithImports: List<String>? = null
+
+    override val result: CirAnnotation
+        get() {
+            if (level == null) throw IllegalCommonizerStateException()
+
+            return CirAnnotation.create(
+                fqName = DEPRECATED_ANNOTATION_FQN,
+                constantValueArguments = mapOf<Name, ConstantValue<*>>(
+                    PROPERTY_NAME_LEVEL to level!!.toDeprecationLevelValue(),
+                    PROPERTY_NAME_MESSAGE to message.toDeprecationMessageValue()
+                ),
+                annotationValueArguments = mapOf(
+                    PROPERTY_NAME_REPLACE_WITH to replaceWithExpression.toReplaceWithValue(replaceWithImports)
+                )
+            )
+        }
+
+    override fun commonizeWith(next: CirAnnotation): Boolean {
+        val nextLevel: DeprecationLevel = next.getDeprecationLevel() ?: DeprecationLevel.HIDDEN
+        val nextMessage: String? = next.getDeprecationMessage()
+        val nextReplaceWith: CirAnnotation? = next.getReplaceWith()
+        val nextReplaceWithExpression: String? = nextReplaceWith?.getReplaceWithExpression()
+        val nextReplaceWithImports: List<String>? = nextReplaceWith?.getReplaceWithImports()
+
+        return if (level != null) {
+            doCommonizeWith(nextLevel, nextMessage, nextReplaceWithExpression, nextReplaceWithImports)
+        } else {
+            // empty, just fill in
+            initialize(nextLevel, nextMessage, nextReplaceWithExpression, nextReplaceWithImports)
+            true
+        }
+    }
+
+    private fun initialize(
+        nextLevel: DeprecationLevel,
+        nextMessage: String?,
+        nextReplaceWithExpression: String?,
+        nextReplaceWithImports: List<String>?
+    ) {
+        level = nextLevel
+        message = nextMessage
+
+        if (nextReplaceWithExpression != null && nextReplaceWithImports != null) {
+            replaceWithExpression = nextReplaceWithExpression
+            replaceWithImports = nextReplaceWithImports
+        }
+    }
+
+    private fun doCommonizeWith(
+        nextLevel: DeprecationLevel,
+        nextMessage: String?,
+        nextReplaceWithExpression: String?,
+        nextReplaceWithImports: List<String>?
+    ): Boolean {
+        if (nextLevel.ordinal > level!!.ordinal)
+            level = nextLevel
+
+        if (nextMessage != message)
+            message = null
+
+        if (nextReplaceWithExpression != replaceWithExpression || nextReplaceWithImports != replaceWithImports) {
+            replaceWithExpression = null
+            replaceWithImports = null
+        }
+
+        return true
+    }
+
+    @Suppress("NOTHING_TO_INLINE")
+    companion object {
+        private val PROPERTY_NAME_MESSAGE = Name.identifier(Deprecated::message.name)
+        private val PROPERTY_NAME_REPLACE_WITH = Name.identifier(Deprecated::replaceWith.name)
+        private val PROPERTY_NAME_LEVEL = Name.identifier(Deprecated::level.name)
+
+        private val PROPERTY_NAME_EXPRESSION = Name.identifier(ReplaceWith::expression.name)
+        private val PROPERTY_NAME_IMPORTS = Name.identifier(ReplaceWith::imports.name)
+
+        // Optimization: Keep most frequently used message constants.
+        private val FREQUENTLY_USED_MESSAGE_VALUES: Map<String, StringValue> = listOf(
+            "Use constructor instead",
+            "Use factory method instead"
+        ).associateWith { StringValue(it) }
+
+        private val FALLBACK_MESSAGE_VALUE = StringValue("See actual declarations for concrete deprecation messages")
+
+        private val DEPRECATION_LEVEL_FQN = FqName(DeprecationLevel::class.java.name)
+        private val DEPRECATION_LEVEL_CLASS_ID = ClassId.topLevel(DEPRECATION_LEVEL_FQN)
+
+        // Optimization: Keep DeprecationLevel enum constants.
+        private val DEPRECATION_LEVEL_ENUM_ENTRY_VALUES: Map<String, EnumValue> = DeprecationLevel.values().associate {
+            it.name to EnumValue(DEPRECATION_LEVEL_CLASS_ID, Name.identifier(it.name))
+        }
+
+        private val REPLACE_WITH_FQN = FqName(ReplaceWith::class.java.name)
+
+        // Optimization: Keep empty ReplaceWith instance of CirAnnotation.
+        private val EMPTY_REPLACE_WITH_CIR_ANNOTATION = createReplaceWithAnnotation("", emptyList())
+
+        private fun CirAnnotation.getDeprecationMessage(): String? = constantValueArguments.getString(PROPERTY_NAME_MESSAGE)
+
+        private fun String?.toDeprecationMessageValue(): StringValue =
+            if (this == null)
+                FALLBACK_MESSAGE_VALUE
+            else
+                FREQUENTLY_USED_MESSAGE_VALUES[this] ?: StringValue(this)
+
+        private fun CirAnnotation.getDeprecationLevel(): DeprecationLevel? {
+            val enumEntryName = constantValueArguments.getEnumEntryName(PROPERTY_NAME_LEVEL) ?: return null
+            return DeprecationLevel.values().firstOrNull { it.name == enumEntryName }
+        }
+
+        private fun DeprecationLevel.toDeprecationLevelValue(): EnumValue =
+            DEPRECATION_LEVEL_ENUM_ENTRY_VALUES.getValue(name)
+
+        private fun CirAnnotation.getReplaceWith(): CirAnnotation? =
+            annotationValueArguments.getAnnotation(PROPERTY_NAME_REPLACE_WITH)
+
+        private fun CirAnnotation.getReplaceWithExpression(): String? =
+            constantValueArguments.getString(PROPERTY_NAME_EXPRESSION)
+
+        private fun CirAnnotation.getReplaceWithImports(): List<String>? =
+            constantValueArguments.getStringArray(PROPERTY_NAME_IMPORTS)
+
+        private fun String?.toReplaceWithValue(imports: List<String>?): CirAnnotation =
+            if (this == null || imports == null)
+                EMPTY_REPLACE_WITH_CIR_ANNOTATION
+            else
+                createReplaceWithAnnotation(this, imports)
+
+        private inline fun Map<Name, ConstantValue<*>>.getString(name: Name): String? =
+            (this[name] as? StringValue)?.value
+
+        private inline fun Map<Name, ConstantValue<*>>.getEnumEntryName(name: Name): String? =
+            (this[name] as? EnumValue)?.enumEntryName?.asString()
+
+        private inline fun Map<Name, CirAnnotation>.getAnnotation(name: Name): CirAnnotation? =
+            this[name]
+
+        private inline fun Map<Name, ConstantValue<*>>.getStringArray(name: Name): List<String>? {
+            val elements: List<ConstantValue<*>> = (this[name] as? ArrayValue)?.value ?: return null
+            if (elements.isEmpty()) return emptyList()
+
+            val result = mutableListOf<String>()
+            for (element in elements) {
+                if (element is StringValue) {
+                    result += element.value
+                } else
+                    return null
+            }
+
+            return result
+        }
+
+        private inline fun createReplaceWithAnnotation(expression: String, imports: List<String>): CirAnnotation =
+            CirAnnotation.create(
+                fqName = REPLACE_WITH_FQN,
+                constantValueArguments = mapOf(
+                    PROPERTY_NAME_EXPRESSION to StringValue(expression),
+                    PROPERTY_NAME_IMPORTS to ArrayValue(
+                        value = imports.map { StringValue(it) },
+                        computeType = { it.builtIns.getArrayElementType(it.builtIns.stringType) }
+                    )
+                ),
+                annotationValueArguments = emptyMap()
+            )
+    }
+}

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/core/Commonizer.kt

@@ -26,13 +26,15 @@ abstract class AbstractStandardCommonizer<T, R> : Commonizer<T, R> {
         }
 
     final override fun commonizeWith(next: T): Boolean {
-        if (state == State.ERROR)
-            return false
+        val result = when (state) {
+            State.ERROR -> return false
+            State.EMPTY -> {
+                initialize(next)
+                doCommonizeWith(next)
+            }
+            State.IN_PROGRESS -> doCommonizeWith(next)
+        }
 
-        if (state == State.EMPTY)
-            initialize(next)
-
-        val result = doCommonizeWith(next)
         state = if (!result) State.ERROR else State.IN_PROGRESS
 
         return result

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/core/FunctionCommonizer.kt

@@ -10,12 +10,14 @@ import org.jetbrains.kotlin.descriptors.commonizer.mergedtree.ir.CirCommonFuncti
 import org.jetbrains.kotlin.descriptors.commonizer.mergedtree.ir.CirFunction
 
 class FunctionCommonizer(cache: CirClassifiersCache) : AbstractFunctionOrPropertyCommonizer<CirFunction>(cache) {
+    private val annotations = AnnotationsCommonizer()
     private val modifiers = FunctionModifiersCommonizer.default()
     private val valueParameters = ValueParameterListCommonizer.default(cache)
     private var hasStableParameterNames = true
     private var hasSynthesizedParameterNames = false
 
     override fun commonizationResult() = CirCommonFunction(
+        annotations = annotations.result,
         name = name,
         modality = modality.result,
         visibility = visibility.result,
@@ -31,6 +33,7 @@ class FunctionCommonizer(cache: CirClassifiersCache) : AbstractFunctionOrPropert
 
     override fun doCommonizeWith(next: CirFunction): Boolean {
         val result = super.doCommonizeWith(next)
+                && annotations.commonizeWith(next.annotations)
                 && modifiers.commonizeWith(next)
                 && valueParameters.commonizeWith(next.valueParameters)
 

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/ir/CirAnnotation.kt

@@ -13,24 +13,17 @@ import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.constants.*
 
-class CirAnnotation private constructor(original: AnnotationDescriptor) {
-    val fqName: FqName = original.fqName?.intern() ?: error("Annotation with no FQ name: ${original::class.java}, $original")
-    val allValueArguments: Map<Name, ConstantValue<*>> = original.allValueArguments.mapKeys { it.key.intern() }
-
-    init {
-        allValueArguments.forEach { (name, constantValue) ->
-            checkConstantSupportedInCommonization(
-                constantValue = constantValue,
-                constantName = name,
-                owner = original
-            )
-        }
-    }
-
+class CirAnnotation private constructor(
+    val fqName: FqName,
+    val constantValueArguments: Map<Name, ConstantValue<*>>,
+    val annotationValueArguments: Map<Name, CirAnnotation>
+) {
     // See also org.jetbrains.kotlin.types.KotlinType.cachedHashCode
     private var cachedHashCode = 0
 
-    private fun computeHashCode() = hashCode(fqName).appendHashCode(allValueArguments)
+    private fun computeHashCode() = hashCode(fqName)
+        .appendHashCode(constantValueArguments)
+        .appendHashCode(annotationValueArguments)
 
     override fun hashCode(): Int {
         var currentHashCode = cachedHashCode
@@ -41,15 +34,61 @@ class CirAnnotation private constructor(original: AnnotationDescriptor) {
         return currentHashCode
     }
 
-    override fun equals(other: Any?): Boolean = when {
-        other === this -> true
-        other is CirAnnotation -> fqName == other.fqName && allValueArguments == other.allValueArguments
-        else -> false
+    override fun equals(other: Any?): Boolean {
+        if (other === this) return true
+
+        return other is CirAnnotation
+                && fqName == other.fqName
+                && constantValueArguments == other.constantValueArguments
+                && annotationValueArguments == other.annotationValueArguments
     }
 
     companion object {
         private val interner = Interner<CirAnnotation>()
 
-        fun create(original: AnnotationDescriptor): CirAnnotation = interner.intern(CirAnnotation(original))
+        fun create(original: AnnotationDescriptor): CirAnnotation {
+            val fqName: FqName = original.fqName?.intern() ?: error("Annotation with no FQ name: ${original::class.java}, $original")
+
+            val allValueArguments: Map<Name, ConstantValue<*>> = original.allValueArguments
+            if (allValueArguments.isEmpty())
+                return create(fqName = fqName, constantValueArguments = emptyMap(), annotationValueArguments = emptyMap())
+
+            val constantValueArguments: MutableMap<Name, ConstantValue<*>> = HashMap()
+            val annotationValueArguments: MutableMap<Name, CirAnnotation> = HashMap()
+
+            allValueArguments.forEach { (name, constantValue) ->
+                checkConstantSupportedInCommonization(
+                    constantValue = constantValue,
+                    constantName = name,
+                    owner = original,
+                    allowAnnotationValues = true
+                )
+
+                if (constantValue is AnnotationValue)
+                    annotationValueArguments[name.intern()] = create(original = constantValue.value)
+                else
+                    constantValueArguments[name.intern()] = constantValue
+            }
+
+            return create(
+                fqName = fqName,
+                constantValueArguments = constantValueArguments,
+                annotationValueArguments = annotationValueArguments
+            )
+        }
+
+        fun create(
+            fqName: FqName,
+            constantValueArguments: Map<Name, ConstantValue<*>>,
+            annotationValueArguments: Map<Name, CirAnnotation>
+        ): CirAnnotation {
+            return interner.intern(
+                CirAnnotation(
+                    fqName = fqName,
+                    constantValueArguments = constantValueArguments,
+                    annotationValueArguments = annotationValueArguments
+                )
+            )
+        }
     }
 }

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/ir/CirClass.kt

@@ -40,7 +40,7 @@ data class CirCommonClass(
     override val isInline: Boolean,
     override val isInner: Boolean
 ) : CirClass {
-    override val annotations: List<CirAnnotation> get() = emptyList() // TODO: commonize annotations, KT-34234
+    override val annotations: List<CirAnnotation> get() = emptyList()
     override val isData get() = false
     override val isExternal get() = false
     override var companion: FqName? = null
@@ -56,7 +56,7 @@ data class CirCommonClassConstructor(
     override val hasStableParameterNames: Boolean,
     override val hasSynthesizedParameterNames: Boolean
 ) : CirClassConstructor {
-    override val annotations: List<CirAnnotation> get() = emptyList() // TODO: commonize annotations, KT-34234
+    override val annotations: List<CirAnnotation> get() = emptyList()
     override val containingClassKind get() = unsupported()
     override val containingClassModality get() = unsupported()
     override val containingClassIsData get() = unsupported()

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/ir/CirFunction.kt

@@ -30,6 +30,7 @@ interface CirCallableMemberWithParameters {
 interface CirFunction : CirFunctionOrProperty, CirFunctionModifiers, CirCallableMemberWithParameters
 
 data class CirCommonFunction(
+    override val annotations: List<CirAnnotation>,
     override val name: Name,
     override val modality: Modality,
     override val visibility: Visibility,

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/ir/CirFunctionOrProperty.kt

@@ -9,7 +9,8 @@ import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.descriptors.commonizer.mergedtree.ir.CirExtensionReceiver.Companion.toReceiver
 import org.jetbrains.kotlin.descriptors.commonizer.utils.intern
 
-interface CirFunctionOrProperty : CirAnnotatedDeclaration, CirNamedDeclaration, CirDeclarationWithTypeParameters, CirDeclarationWithVisibility, CirDeclarationWithModality, CirMaybeCallableMemberOfClass {
+interface CirFunctionOrProperty : CirAnnotatedDeclaration, CirNamedDeclaration, CirDeclarationWithTypeParameters,
+    CirDeclarationWithVisibility, CirDeclarationWithModality, CirMaybeCallableMemberOfClass {
     val isExternal: Boolean
     val extensionReceiver: CirExtensionReceiver?
     val returnType: CirType
@@ -17,7 +18,6 @@ interface CirFunctionOrProperty : CirAnnotatedDeclaration, CirNamedDeclaration,
 }
 
 abstract class CirCommonFunctionOrProperty : CirFunctionOrProperty {
-    final override val annotations: List<CirAnnotation> get() = emptyList() // TODO: commonize annotations, KT-34234
     final override val containingClassKind: ClassKind? get() = unsupported()
     final override val containingClassModality: Modality? get() = unsupported()
     final override val containingClassIsData: Boolean? get() = unsupported()
@@ -50,8 +50,12 @@ data class CirExtensionReceiver(
     val type: CirType
 ) {
     companion object {
-        fun CirType.toReceiverNoAnnotations() = CirExtensionReceiver( /* TODO: commonize annotations, KT-34234 */ emptyList(), this)
-        fun ReceiverParameterDescriptor.toReceiver() = CirExtensionReceiver(annotations.map(CirAnnotation.Companion::create), CirType.create(type))
+        fun CirType.toReceiverNoAnnotations() = CirExtensionReceiver(annotations = emptyList(), type = this)
+
+        fun ReceiverParameterDescriptor.toReceiver() = CirExtensionReceiver(
+            annotations = annotations.map(CirAnnotation.Companion::create),
+            type = CirType.create(type)
+        )
     }
 }
 

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/mergedtree/ir/CirProperty.kt

@@ -36,6 +36,7 @@ data class CirCommonProperty(
     override val setter: CirSetter?,
     override val typeParameters: List<CirTypeParameter>
 ) : CirCommonFunctionOrProperty(), CirProperty {
+    override val annotations: List<CirAnnotation> get() = emptyList()
     override val isVar get() = setter != null
     override val isLateInit get() = false
     override val isConst get() = false

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/utils/blacklist.kt

@@ -7,11 +7,8 @@ package org.jetbrains.kotlin.descriptors.commonizer.utils
 
 import org.jetbrains.kotlin.descriptors.PackageFragmentDescriptor
 import org.jetbrains.kotlin.descriptors.SimpleFunctionDescriptor
-import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.types.getAbbreviation
 
-private val DEPRECATED_ANNOTATION_FQN = FqName(Deprecated::class.java.name)
-
 internal fun SimpleFunctionDescriptor.isKniBridgeFunction() =
     name.asString().startsWith("kniBridge")
 

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/utils/constants.kt

@@ -12,11 +12,13 @@ internal fun checkConstantSupportedInCommonization(
     constantValue: ConstantValue<*>,
     constantName: Name? = null,
     owner: Any,
+    allowAnnotationValues: Boolean = false,
     onError: (String) -> Nothing = ::error
 ) {
     checkConstantSupportedInCommonization(
         constantValue = constantValue,
         location = { "${owner::class.java}, $owner" + constantName?.asString()?.let { "[$it]" } },
+        allowAnnotationValues = allowAnnotationValues,
         onError = onError
     )
 }
@@ -24,6 +26,7 @@ internal fun checkConstantSupportedInCommonization(
 private fun checkConstantSupportedInCommonization(
     constantValue: ConstantValue<*>,
     location: () -> String,
+    allowAnnotationValues: Boolean,
     onError: (String) -> Nothing
 ) {
     @Suppress("TrailingComma")
@@ -36,21 +39,28 @@ private fun checkConstantSupportedInCommonization(
         is DoubleValue,
         is FloatValue,
         is EnumValue -> {
-            // OK
+            return // OK
         }
         is AnnotationValue -> {
-            if (constantValue.value.fqName?.isUnderStandardKotlinPackages != true)
-                onError("Only ${constantValue::class.java} const values from Kotlin standard packages are supported, $constantValue at ${location()}")
+            if (allowAnnotationValues) {
+                if (constantValue.value.fqName?.isUnderStandardKotlinPackages != true)
+                    onError("Only ${constantValue::class.java} const values from Kotlin standard packages are supported, $constantValue at ${location()}")
+                return // OK
+            } // else fail (see below)
         }
         is ArrayValue -> {
             constantValue.value.forEachIndexed { index, innerConstantValue ->
                 checkConstantSupportedInCommonization(
                     constantValue = innerConstantValue,
                     location = { "${location()}[$index]" },
+                    allowAnnotationValues = allowAnnotationValues,
                     onError = onError
                 )
             }
+            return // OK
         }
-        else -> onError("Unsupported const value type: ${constantValue::class.java}, $constantValue at ${location()}")
     }
+
+    onError("Unsupported const value type: ${constantValue::class.java}, $constantValue at ${location()}")
 }
+

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/utils/fqName.kt

@@ -9,6 +9,8 @@ import org.jetbrains.kotlin.builtins.KotlinBuiltIns
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.serialization.konan.impl.ForwardDeclarationsFqNames
 
+internal val DEPRECATED_ANNOTATION_FQN: FqName = FqName(Deprecated::class.java.name)
+
 private val STANDARD_KOTLIN_PACKAGE_PREFIXES = listOf(
     KotlinBuiltIns.BUILT_INS_PACKAGE_NAME.asString(),
     "kotlinx"

native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/utils/misc.kt

@@ -13,6 +13,16 @@ internal fun <T> Sequence<T>.toList(expectedCapacity: Int): List<T> {
     return result
 }
 
+internal infix fun <K, V> Map<K, V>.concat(other: Map<K, V>): Map<K, V> =
+    when {
+        isEmpty() -> other
+        other.isEmpty() -> this
+        else -> HashMap<K, V>(size + other.size, 1F).apply {
+            putAll(this@concat)
+            putAll(other)
+        }
+    }
+
 internal inline fun <reified T> Iterable<T?>.firstNonNull() = firstIsInstance<T>()
 
 internal fun Any?.isNull(): Boolean = this == null